/* ============================================
   StockFact - Dashboard CSS - Design Moderno
   ============================================ */

:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #6c757d;
    --success: #2ecc71;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    --light: #f8f9fa;
    --dark: #2c3e50;
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --topbar-height: 60px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f0f2f5;
    color: #333;
    overflow-x: hidden;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, #1a1f37 0%, #252b48 100%);
    color: #fff;
    z-index: 1030;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-brand {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand a {
    color: #fff;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-brand a i {
    font-size: 1.5rem;
    color: var(--primary);
    min-width: 32px;
    text-align: center;
}

.sidebar.collapsed .brand-text,
.sidebar.collapsed .sidebar-content span,
.sidebar.collapsed .submenu,
.sidebar.collapsed .nav-divider,
.sidebar.collapsed .sidebar-footer small {
    display: none;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
}

.sidebar-toggle:hover { color: #fff; }

.sidebar-content {
    flex: 1;
    padding: 10px 0;
    overflow-y: auto;
}

.sidebar-nav { list-style: none; padding: 0; margin: 0; }

.nav-item { position: relative; }

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.nav-link i:first-child {
    font-size: 1.15rem;
    min-width: 28px;
    text-align: center;
    margin-right: 10px;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
    border-left-color: var(--primary);
}

.nav-link.active {
    color: #fff;
    background: rgba(67,97,238,0.15);
    border-left-color: var(--primary);
}

.nav-divider {
    padding: 16px 20px 8px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.35);
    font-weight: 600;
}

.submenu {
    list-style: none;
    padding: 0;
    background: rgba(0,0,0,0.15);
}

.submenu li a {
    display: flex;
    align-items: center;
    padding: 10px 20px 10px 58px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

.submenu li a:hover,
.submenu li a.active {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

.submenu li a i { font-size: 0.8rem; margin-right: 8px; }

.sidebar-footer {
    padding: 12px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
}

/* ============================================
   TOPBAR
   ============================================ */
.topbar {
    position: fixed;
    top: 0; right: 0;
    left: var(--sidebar-width);
    height: var(--topbar-height);
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1020;
    transition: var(--transition);
}

.sidebar.collapsed ~ .topbar {
    left: var(--sidebar-collapsed);
}

.topbar-left { display: flex; align-items: center; gap: 16px; }

.topbar-left .breadcrumb { font-size: 0.85rem; }

.topbar-right { display: flex; align-items: center; }

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    padding: 24px;
    min-height: calc(100vh - var(--topbar-height));
    transition: var(--transition);
}

.sidebar.collapsed ~ .topbar ~ .main-content {
    margin-left: var(--sidebar-collapsed);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background: #fff;
    margin-bottom: 20px;
}

.card:hover { box-shadow: var(--shadow-md); }

.card-header {
    background: transparent;
    border-bottom: 1px solid #f0f0f0;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5, .card-header h6 {
    margin: 0;
    font-weight: 600;
    color: var(--dark);
}

.card-body { padding: 20px; }

/* ============================================
   STAT CARDS (Dashboard)
   ============================================ */
.stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
    border-radius: var(--border-radius);
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 16px;
    flex-shrink: 0;
}

.stat-icon.primary { background: rgba(67,97,238,0.1); color: var(--primary); }
.stat-icon.success { background: rgba(46,204,113,0.1); color: var(--success); }
.stat-icon.warning { background: rgba(243,156,18,0.1); color: var(--warning); }
.stat-icon.danger { background: rgba(231,76,60,0.1); color: var(--danger); }
.stat-icon.info { background: rgba(52,152,219,0.1); color: var(--info); }
.stat-icon.dark { background: rgba(44,62,80,0.1); color: var(--dark); }

.stat-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--dark);
}

.stat-info p {
    margin: 2px 0 0;
    font-size: 0.85rem;
    color: #888;
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
}

.table {
    margin-bottom: 0;
    font-size: 0.88rem;
}

.table thead th {
    background: #f8f9fa;
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #666;
    border-top: none;
    padding: 12px 16px;
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    vertical-align: middle;
    color: #444;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: #f8f9ff;
}

.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 6px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    font-weight: 500;
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 0.88rem;
    transition: var(--transition);
}

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

.btn-success { background: var(--success); border-color: var(--success); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #fff; }
.btn-info { background: var(--info); border-color: var(--info); color: #fff; }

.btn-light {
    background: #f8f9fa;
    border-color: #e9ecef;
    color: #666;
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

/* ============================================
   FORMS
   ============================================ */
.form-control, .form-select {
    border-radius: 8px;
    border: 1.5px solid #e9ecef;
    padding: 10px 14px;
    font-size: 0.88rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(67,97,238,0.15);
}

.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 6px;
}

.input-group-text {
    background: #f8f9fa;
    border: 1.5px solid #e9ecef;
    border-radius: 8px;
    color: #666;
}

/* ============================================
   MODAL
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid #f0f0f0;
    padding: 16px 20px;
}

.modal-body { padding: 20px; }

.modal-footer {
    border-top: 1px solid #f0f0f0;
    padding: 12px 20px;
}

/* ============================================
   ALERTS / TOASTS
   ============================================ */
.alert {
    border: none;
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 0.88rem;
}

.toast {
    border: none;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination .page-link {
    border: none;
    color: var(--primary);
    padding: 8px 14px;
    font-size: 0.85rem;
    border-radius: 6px;
    margin: 0 2px;
}

.pagination .page-item.active .page-link {
    background: var(--primary);
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: moveGrid 20s linear infinite;
}

@keyframes moveGrid {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.login-box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo i {
    font-size: 3rem;
    color: var(--primary);
}

.login-logo h2 {
    margin-top: 12px;
    font-weight: 700;
    color: var(--dark);
}

.login-logo p {
    color: #888;
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   PROGRESS BAR (Upload)
   ============================================ */
.progress-upload {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 9999;
    height: 3px;
    background: rgba(67,97,238,0.2);
}

.progress-upload .progress-bar {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease;
    width: 0%;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 991.98px) {
    .sidebar {
        width: var(--sidebar-width);
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .topbar {
        left: 0 !important;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .sidebar.collapsed ~ .topbar,
    .sidebar.collapsed ~ .main-content {
        margin-left: 0;
        left: 0;
    }
}

@media (max-width: 575.98px) {
    .login-card { padding: 24px; }
    .main-content { padding: 16px; }
    .stat-card { padding: 16px; }
    .stat-icon { width: 44px; height: 44px; font-size: 1.2rem; }
    .stat-info h3 { font-size: 1.2rem; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-primary { color: var(--primary) !important; }
.bg-primary { background-color: var(--primary) !important; }

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.divider {
    height: 1px;
    background: #e9ecef;
    margin: 16px 0;
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
    font-size: 0.9rem;
}

.search-box input {
    padding-left: 36px;
    border-radius: 20px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
}